Welding shield with offset lenses



y 1953 J. H. JACOBS 2,644,160

WELDING SHIELD WITH OFFSETLENSES Filed Dec. 10, 1951 z Sheets-Sheet 1[Ml/W01? JOSl'P/l H JACOBS BY MM/MWM ATZ'ORNWS J. H. JACOBS WELDINGSHIELD WITH OFFSET LENSES July 7, 1953 2 Sheets-Sheet 2 Filed Dec. 101951 [IL MANOR Josnw H Jacoas AJTORJVEKS Patented July 7, 1953 I TEDamt- 6 p *wsnime snmm wi moiissmimfisns P Jese li 5100135 MinneapolisfMinni afss'i nor L P w-Ja'cobs wina Electrieoompa Mama-pans,

w -"Minnr, ai corpdraition ot 'Montana .iApplicatioiiDe'ceifiber 195i,sesame; 2601914 '17; 1951', Serial Nd. 24-61927, hasproved to be highlye'jfiient and a greatfimp'rovement over conventionalwelding shields,ljhave'd'esignedmy present" 'shieldfo'r even more efficient operationand for Simplified construction.

It is an" object army-present invention to provide a'noVeTandli'ighIyefiicient'welding shield *oon'structedto" produce all oi'theadvantages'em- "bodied iii my'above' identifiedweldingshield and toprovide inadditioff to these advantages even "more effioient shieldingof the welders-face "and eyes while sirfiplify-ingthemanufaoture*thereof.

I It is another objet toprovideawelding shield restricted-view of the"'wbrkby merely 'a' sli ght" tilting movement of the headandiwithoutshift- 4 ing the shield-relative-td his head and face'and thereafter bymerely tiltinghishead upwardly to --interpose "a"-lightrestrictive'lensbetweenthe'weld -ing' arc to be' 'str'uck and his eyesj thus' enablingthe shield to'be maintained in protectivep'o'si-tion at allti'mes. M I'Moresp ebifically, it is an objecttoprovide a. welding shield havingan'opaque face protective "portion witli a light restrictiveprotectivelens inserted therein tO p'ermit direct viewing of a welding arc andalso having a transparentprotectiv'e lens disposed above the restrictivelens and "positioned :in rearwardlyv spaced relation therebehindwith anopaque rearwardly extending frame 'element surrounding'the upper portionof thejlight restrictive lensand adjacent the inner "s' edge o-f whichsaid transparent'lens is'positioned, s said 'shield also having an outervisorm'ember lying" infsubstantially the: same plane'as' vthe restrictedlens and having its lower edge disposed in slightly spaced relationabove said'restrictive lens to provide a viewing slit through which thework may be viewed under normal lighting conditions without raising theshield or shifting the same relative to the face of the welder.

These and other objects and advantages of my invention will more fullyappear from the following description made in connection with theaccompanying drawings wherein like reference characters refer to thesame or similar parts throughout the several views and in which:

Fig. 1 is a front elevational View of my new welding shield;

Fig. 2 is a longitudinal vertical sectional view 5 3- Glaims. 2 8) 2*taken; substantiallyalong'itlf'line 2-2 of Fig. 1 and snewmgaWelderShadibY dottedlines in -j-"ddwnward1y tiltedpo'sition to permitviewin of "the work througlf the' .transparentlens' as indicated bythe'dash" line ofsight and 7 Fig. 3 1is a .longitudinal 'vertical's'ectionalyiew taken similarly t6 2 but showingithewelders fhead':iii"reiisedposition 'withth e-ligh't 'restfietive "lens in piotectedpdsition iii front of: tnewelders w e a t 'llu'strated"inane-accompanying drawings, *rprovide a'fgeneraneoneave'protctiveshield 5 niadefro "s'u ablenreprocrppaque sheetmateerrand-adapted to fsu'r'rou d the'faceandforward eatportion areweider'f rheshi ld 5 iii the form ""shdwh"has substantiany' flat frontpanels with "a pair of rearwardly eiitendmgsideipanels '1 and arearwardly exterming" top panel 8. A" head band 19 ofconvenftiqnalfle'sigfihas "an' arched top stra l o"-=eonne'cted"'therewith and" ajd'j'u'stable 7 by the knurled clamping screw [1iri'thec'o'nven- ""tidnalmarfiier. The sides of thelhad band 9 arepivotall'y oonnected to the respective side." panelsasifby"thefiivot"pins"IZLto permit theen'tire 2v shieldjstrueture tobeswung'" upwardl and downwardiy thereon.

" upperi portionthereof and a light' red therete asaby' the peripherajlframe M a issseonrely attalied tothe portion of the shield panel 6surroundin the lens openings An'y'suit- :ra';ble means-foi i etaining th'd'ens l3 within the peripheral frame ["4 mayrbei'provided such -as the:resilient elips l 5m Invtherform shown; the-restric- -tive li-znsaliiis disposedinforwardly spaced" rela- -=tion'to= the planeoffithez-front=panel 6- and the peripheral= frame l 4 extends forwardlyfrom said 40 front panel, as best shown in Figs. 2 and 3.

A second lens it is mounted across'the upper portion of said opening infront panel 6 and has f its lower edge engaged against the inner portionof the upper side of peripheral frame M, as best shown in Figs. 2 and 3.Suitable means for retaining the transparent lens H5 in position andsealing the periphery thereof relative to the front shield panel 6around the upper portion of the opening therein are provided such as theflanged frame member I! having resilient clips 18 at the ends thereof toretain the same in place. The transparent lens I6 is disposed rearwardlyof the restrictive lens l3 and, in the form shown, lies in the plane offront panel 6. q

A closure device having an inner chin-engagwelders.

ing strap 19 made from opaque material and an outer light trappingmember 20 prevents direct light from adjacent welding arcs from reachingthe inside of the shield regardless of the tilted position of thewelders head. An outer visor 2! is pivotally mounted on the ends ofperipheral frame l4, as by the pins 22, and has the main body portionthereof disposed above the two lenses l3 and [6. The lower edge 2la ofsaid visor is disposed in upwardly spaced relation above the top sideportion of peripheral frame 14 to form an opening therebetween alignedwith the transparent lens IE to permit unrestricted viewing of the workwhen the welders head is in downwardly tilted position, as shown in Fig.2.

The operation of my improved shield'as disclosed herein is similar tothe operation of my previously identified shield and viewing of the workthrough an unrestricted lens is permitted by merely tilting the weldershead downwardly a slight distance as shown in Fig. 2 whereby changing ofthe welding rods andpositioning of the welding rods prior to strikingthe arc is permitted without raising the shield 5 from protectiveposition around the'face and forward head portion of the welder.

By offsetting the transparent lens 16 rearwardly, the upper side of theperipheral frame 14 and lens l3 prevent the direct rays from the weldingare from passing through the transparent lens [6 when the welders headis in raised position as shown in Fig. 3. The shield 2| prevents therays from adjacent meldingarcs from passing through the transparent lensl6 and thus the welders eyes and face are fully protected from thedirect rays of the arcs of not only the welder Wearing the shield butalso of adjacent When the upper lens I6 becomes dirty it may be cleanedby swinging the visor 2| downwardly in order to afford access to thefront surface of said lens.

It will be seen that I have provided an extremely simple and easy tomanufacture welding shield adapted to afford complete protection to thewelder using the same while permitting unrestricted viewing of the workby merely tilting the head downwardly slightly into the position shownin Fig. 2 without moving the entire shield 5 on its pivots [2. Itshouldbe noted that the necessity of the inner visor shown in myco-pending previously identified application has been entirelyeliminated with my improved structure herein dis-closed.

It will, of course, be. understood that various changes may be made inthe form, details, arrangement and proportions of the parts withoutdeparting from the scope of my invention which, generally stated,consists in the matter shown and described herein and set forth in theappended claims.

What I claim is:

1. Face and eye protective apparatus for welders comprising an inwardlyconcave, outwardly convex opaque shield adapted to receive and enclosethe front portion of a welders head and face and having an opening inthe upper front portion thereof aligned with the welders eyes when inoperative position, a pair of lens members mounted in said opening andclosing the same, one of said lenses being highly restrictive to thepassage of light therethrough and permitting a welder to view a highintensity welding are when directing his line of sight therethrough andbeing disposed in a plane normal to the line of sight there- .through toprevent distortion of the transmitted light rays, said restrictive lenshaving a relatively large vertical depth, the other lens being.

transparent to permit viewing therethrough under normal lightingconditions and being disposed above the light restrictive lens and lyingin a plane disposed in rearwardly spaced, substantially parallelrelation to the plane of the restrictive lens and having a relativelysmallvertical depth to limit the light'rays passing therethrough, and anouter opaque visor mounted across the upper portion of the front of theshield above the upper transparent lens thereof and having the loweredge of the visor disposed in upwardly spaced'relation above the topedge of the lower light restrictive lens a distance substantially equalto the vertical depth of the rearwardly disposed transparentlens toprovide a pair of spaced aligned viewing openings of relatively smallvertical depth to prevent obliquely directed rays from' passingtherethroughwhen the wearer is viewing the high intensity Welding arethrough the restrictive lens.

2. The structure set forth in claim 1, and the lower edge of said visorlying substantially in the plane of the restrictive outwardly spacedlens;

3. The structure set forth in claim 1, and said light restrictive lenshaving an outwardly extending peripheral casing surrounding the samewith said lens disposed in the outer portion thereof to position therestrictive lens in outwardly spaced relation from the plane, of thefront shield portion and the transparent lens being fixed to said shieldin a plane disposed in :rearwardly spaced relation to the plane of therestrictive lens, and said visor being pivotally mounted to facilitatecleaning of the transparent'lens. I

JOSEPH H. ,JACOBS.

References Cited inthe file of this patent UNITED'STATESPATENTS LandisFeb. 19, 1946

